2-56 x 1/2 Slotted Binding Undercut Machine Screw Fully Threaded Zinc NWC188 3/8" internal tooth lock washers

3/8" internal tooth lock washers are designed to prevent nuts and bolts from loosening due to vibration or movement

The hexagonal head provides ample grip for secure tightening

This alloy gives the nuts excellent resistance to rust and corrosion

This 12-24 x 3/4 Phillips flat undercut machine screw is fully threaded and coated in black zinc for corrosion resistance

With a length of 2 1/2 inches and a diameter of 6-32

2-56 x 1/2 Slotted Binding Undercut Machine Screw Fully Threaded Zinc NWC188 3/8" internal tooth lock washersThis 2 56 x 1 2 slotted binding undercut machine screw is fully threaded and made of zinc. It has a slotted drive and is designed for use in binding applications. The undercut head allows the screw to be countersunk below the surface of the material, providing a flush finish. The zinc coating provides corrosion resistance and durability.